Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5835985 | Reverse conducting gate-turnoff thyristor | Michiaki Hiyoshi, Takashi Fujiwara, Hideo Matsuda, Satoshi Yanagisawa, Tatuo Harada | 1998-11-10 |
| 5198882 | Crimp-type power semiconductor device | Hideo Matsuda, Takashi Fujiwara, Michiaki Hiyoshi, Hisashi Suzuki | 1993-03-30 |
| 4607270 | Schottky barrier diode with guard ring | — | 1986-08-19 |
| 4476154 | Method of manufacturing a glass passivation semiconductor device | Shigenori Yakushizi | 1984-10-09 |
| 4476481 | Low-loss P-i-n diode | Shigenori Yakushiji | 1984-10-09 |
| 4456920 | Semiconductor device | — | 1984-06-26 |